Tracking moving objects through scattering media via speckle correlations,Nature Communications

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Tracking moving objects through scattering media via speckle correlations
Nature Communications ( IF 14.7 ) Pub Date : 2022-10-01 , DOI: 10.1038/s41467-022-33470-y
Y Jauregui-Sánchez ₁ , H Penketh ₁ , J Bertolotti ₁

Affiliation

Scattering can rapidly degrade our ability to form an optical image, to the point where only speckle-like patterns can be measured. Truly non-invasive imaging through a strongly scattering obstacle is difficult, and usually reliant on a computationally intensive numerical reconstruction. In this work we show that, by combining the cross-correlations of the measured speckle pattern at different times, it is possible to track a moving object with minimal computational effort and over a large field of view.

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